Worksheetsphases of moon
Total questions: 77
Worksheet time: 1hrs 10mins
●The (a) are observed due to the revolution of the moon around Earth and changes in the illuminated portion as it revolves.
●It is made up of rocks.
(a)
It has a rocky surface with plenty of CRATERS
●It is made up of rocks.
(a)
○These are large bowl-shaped empty spaces formed due to the impact of asteroids and meteoroids that hit the moon’s surface.
(a)
●The moon has a very thin and weak blanket of gas called the (a)
The dark areas are called (a)
○The light areas of the moon are called (a)
The (a) are composed of the oldest rocks on the moon—about the same time when the moon was formed
It is formed when dark lavas filled these craters.
(a)
What is the largest lunar mare.
(a)
The distance between Moon and Earth
(a)
●The actual radius of Moon is only
(a)
●Among the many moons found in the solar system, Earth’s moon is the
second largest
fifth largest
third largest
●The moon follows a certain path known as (a) as it revolves around Earth.
●The size of Moon’s orbit affects how big or small we see it from Earth.
True or False
(a)
Moon’s orbit is (a) and not circular
(a) is the point in the orbit where it is farthest from Earth.
is the point in the orbit of the moon where it is nearest to Earth.
(a)
At (a) , the moon appears bigger.
At (a) , it appears 12% smaller
○changes depending on the position of the moon with respect to Sun, which results in different phases of Moon.
(a)
○Their structures are mostly made up of iron and is divided into three layers—
(a)
If Earth was hollow, how many moons would fit in it.
(a)
○Earth’s surface is covered mostly with (a) which causes it to appear blue
○The Moon has a (a) with plenty of craters due to the weak exosphere that covers it.
●The shape of the moon is not perfectly round. Instead, it is an (a)
○The Moon will go to its waxing stage as it moves eastward away from Sun.
○In this stage, the illuminated part of the Moon increases, creating the crescent shape.
(a)
○The moon will continue to wax until it reaches a phase wherein more than half of its surface is lit as seen on Earth.
○This phase is known as the .
(a)
○The gibbous moon becomes fatter until the lit side of the moon is fully seen on Earth.
○This phase is known as the (a) , where the whole Moon is seen.
○As nights pass, half of the moon will be illuminated. This is known as the (a)
○The apparent changing shape of Moon as seen on Earth is known as the
(a)
○After the full moon phase, Moon starts to undergo the this stage wherein its illuminated part decreases.
○This stage is called as the
(a)
○When the moon is lined up between Earth and Sun, it is observed.
○The side of Moon facing Earth is not illuminated by the sun, therefore, this part is in complete shadow.
(a)
○In this phase, the illuminated part is the left side of the Moon.
○It is characterized as having a “C” shape
(a)
○The Moon’s illuminated size decreases until it reaches a half-lit disc.
○This is known as the
(a)
●The surface of the Moon is filled with light and dark areas called ____and ___ respectively.
(a)
is the nearest star to Earth.
It is the main source of heat and light energy, which are essential in supporting life.
(a)
(a) are composed of hot glowing gases, which are a result of nuclear fusion.
Stars are composed of (a) , which are a result of nuclear fusion.
(a) is a reaction that happens within the atoms of the given elements, allowing stars to produce their own energy in the form of heat and light.
The gases within the stars are held together by a strong (a)
Most of the stars we see at night appear to be white.
The other colors of stars are blue, yellow, orange, and red.
T O F
(a)
The color of the star tells its temperature.
T OR F
(a)
The blue stars are the ____
hottest
coolest
while the reddish stars are the ____.
coolest
hottest
brightest
darkest
(a) is a yellow star, not as hot as a blue star but hotter than a red star.
Stars vary in size and they are categorized based on their diameter measurement
true
false
The smallest stars known as (a) ,
can measure from 20 to 40 km in diameter.
_____ is an example of a neutron star.
yellow star
Giant stars
Crab Pulsar
(a) has a diameter that is almost similar to the size of Earth.
the nearest star to our solar system
and it is is considered a red dwarf.
(a)
are 1 000 times bigger than Sun.
(a)
Stars that are bigger than the giant stars may be classified as (a) .
These stars have a diameter bigger than the orbit of Mars.
(a)
examples of hypergiants stars.
Betelgeuse
UY Scuti
Orion
(a) is the total amount of energy radiated by the star per second.
Earth and stars have their own "MASSES" which means they also possess gravitational force.
T OR F
(a)
Earth pulls Moon towards it since it has a stronger gravitational force.
Sun pulls the planets and their moons towards it.
TRUE
FALSE
stars are made up of hot glowing gases while Earth is composed of rocks.
TRUE
FALSE
A (a) was formerly defined as a group of stars that form imaginary patterns in the sky.
(a) are regions in the sky and not just simple patterns.
PAGASA
(a)
The International Astronomical Union (IAU) has identified a total of____ constellations in the sky.
eighty-eight
seventy-eight
sixty-eight
thirty-eight
The stars in constellations are imaginarily linked together to form various images of an object, an animal, or a person in the night sky.
(a)
constellation resembles an eagle.
-The brightest star is ALTAIR, a white star that is seventeen light- years away from Earth.
(a)
represents a scorpion.
-The brightest star is Antares, which is located in its middle body.
(a)
is named after the princess of Ethiopia.
-Mythology
(a)
The brightest star present in Andromeda is ___
Orion
Andromeda
Alpha Andromedae or Alpheratz
is named after Orion, the hunter in Greek mythology
(a)
Another popular constellations are the Ursa Major, which means
The Great Bear
The Little Bear
Ursa Minor
The Little Bear
The Great Bear
These smaller patterns are known as
asterisms
andromida
Betelgeuse
constellations like Aquila, Hercules, and Sagittarius are often seen in June, July, and August.
These constellations are referred to as (a) since they are seen during summer time.
There are some constellations that are seen year-round, meaning they do not set at all.
They are known as (a)
(a) are glowing balls of helium and hydrogen gas. Their characteristics vary in terms of size, color, brightness, and temperature.
(a) are a group of stars that form imaginary patterns in the sky.
Constellations were used in navigation and telling time.
true
false
